aaaa aaac aaad aaar aaca aacc aacd aacr aact aacu aada aadc aadt aadu aara aarc aard aart aaru aata aatc aatt ac-t acaa acac acad acar acat acca accc accd acct accu acda acdc acdt acr- acra acrc acrr acta actc actt actu acu- acur acut adaa adac adad adar adat adcc adda addc addd addr addu adra adta adua adur arac arad arar arat arau arc- arca arct arda ardc ardu arr- arra arrc arrr arrt arru arta artc artr arua arud arut at-t ataa atac atad atar atat atca atcc atcr atdt atra atrc atru atta attr attu atua atuc atur auaa auca auct audc aur- aura aurd aut- c-cd caaa caac caat cac- caca cacc cacr cada cadc cadd cadr cadu cara carc card carr cart cat- cata catc catd catt catu cauc caut ccaa ccac ccad ccar ccat ccca cccc cccu ccdc ccdr ccra ccrc ccrt cctc cctt ccuc ccut cd-r cdaa cdac cdad cdda cddr crac crar crat crau crca crcc crcr crda crdc crrt crtc crud crut ctca ctrc ctta cuau cuca cucc cuda cura curd curr curt cut- cuta cutc cutt daad daar daau daca dact dada dadu dara darc dard darr dart daru data datr datt datu daud daur daut dcca dccc dcct dccu dcra dctc dddd ddrc draa drac drad drar drat drau drca drda drra drua drut druu dtaa dtac dtcc duaa duad duar duat duca duct duda dudd dudu dura durt duru duta duur duut raad raat rac- raca racc ract racu rada radc radd radr radt radu rara rata ratt ratu raua rauc raud raut rcac rccc rcdc rcrd rctc rdac rrad rrat rrrr rtca rtcc rtdt ruad ruca ruct ruda rudd rura rurc rurd ruru ruta rutt rutu ruud taa- taar taat taca tacc tact tada tara tarc tard tarr tart taru tata tatr tatt tatu taua tauc taur taut tcad tcca tccc tccu tcdd tctc tdac tdra traa trac trad trat trau trca trcc trra trtc trtr truc trud trut truu tttt tuar tuat tuca tucc tudu tura turc turd turr turt turu tuta tutt tutu uaca uarc uart uaru uata uatu uaua ucad ucar ucat ucca ucdc ucdd ucrc ucua ucut udaa udad udar udau udca udra urac urad urat urau urca urda urdu urra urur urut utac utau uttu uuta uuuu